How is that "not hardware"? If you meant a separate physical key, I think that's actually a Good Thing: you can have it on you and it's tiny in features - reduc

How is that "not hardware"? If you meant a separate physical key, I think that's actually a Good Thing: you can have it on you and it's tiny in features - reducing the likelihood it would get tampered with, unnoticed; one integrated into a laptop is a part of a huge blackbox that you just need to blindly trust.